{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29407",
    "entityType": "User",
    "nonce": "0xcf2636e61542be7e455da8be5999d17bb1db1670d512fe619a9fba5328a231b7",
    "signature": "0xd92983b10470560577c8ccb97ff487e53bc8f6a1f895485dfb4c02cc0ed9db8f3b18fef46910e8bc84dbf6d73e3bfcbe86e846f71be09398775c84e909aa41ce1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}