{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "356269",
    "entityType": "User",
    "nonce": "0xfd6ca84cb1be139163e701f73e69eeb521a8530b7a5ff152c411a20381c54bb8",
    "signature": "0xceac35ad867287b05f63f0bfe1dd80faaec221be9aa41fb71864236d327bb2177c9acb60a929bf2705233652e00962d779ddfa1cb626c773fa5ddeb1db347a781b",
    "signer": "0x4ad870a0C318214b4796d1464BC8Dc57C6b84C12",
    "userId": "408505072"
  }
}