{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x38976b179aee4748b22572470a0f2831ffd5cf05ad1c68b14233a7a45c10c4c5",
    "signature": "0x9aeaa2d7ed5ced8a0b1e25f5b52f5464a7562f5899a3a89a2c09370d4288b4e65a4348e8171ba67493b3664c1d7baf37c15b9ae93c303191f6a63e14895f22871b",
    "signer": "0x55Ae68F0525d8Eb75B5C562f58eA1FEF4B53E46a",
    "userId": "861404489"
  }
}