{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x8e6a0c5e8c93775d1f70ac5591514a5e00bac7f5\"}",
    "nonce": "0x4404edc10474c28c102dc70948081041617cea304deb84a867e7848cd26ff5bc",
    "signature": "0x12537253892af76c7147f00e53260843224e6e034f9f7002e549e26131e92eea1d5d5dfb0d540c909fcf29b3f3db0f78ca7458ff7837952308881c3b2bcc4a9b1c",
    "signer": "0xd2D151A64f7331C87617E41E6B976f36eac2E4Ed",
    "userId": "815914907"
  }
}