{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "375053134",
    "entityType": "User",
    "nonce": "0x6faaee50b1476415285efda61e7534e1bcec2ddc4f5d80331a91726b808e85fa",
    "signature": "0xfa24c06117950b4387a028e9bbdb6384f1a9a0742d36e2408a47c827163261966b3b619c01d511a4b913779a079cec2e72d0abc2a1c69062011f8ec57f13436d1c",
    "signer": "0x0F02a0d7378bC44c29a7679abAcE4c7425508d4b",
    "userId": "834864839"
  }
}