{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "465074020",
    "entityType": "User",
    "nonce": "0xf5e884e6f61b9845299ee7ef7d80b70e010b514f6941ac47d0539fa821285431",
    "signature": "0xc6b5a806dcf8faf56c8d70d1c2e12397f8751262830ae88cbc4f2a0d7e7b884516f7147bddb1cb202666e2aa64c81757ecfa201a08cca787cf29996220ee63081b",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}