{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "24240642",
    "entityType": "User",
    "nonce": "0x456864d0b1ce7d8503c70fa1209c4f068a446898aa1ddf45ad3024c2089be096",
    "signature": "0x2e18cf4a0e80363cb9c5b125e8484789f7aad6965116f7b3a58aee3a95e082760a653fd30b4f937e5156ae8849e102a4ce6560b7a325dc3f9e630cb820097eee1c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}