{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "116449",
    "entityType": "User",
    "nonce": "0x37ec558b2ceb2387c255f180cbddebe1d517dd6a6f0fcebd5bfb254dc4506bda",
    "signature": "0xec9a9da5a03a86a0d80d8e1c1e99f06d29716c1edefe2d8c803019d19e0401405ea30f4f5195f2e6bdbf32fb55c77a15319bb969ce0f77cfb654649de67293e71b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}