{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd84c1a006a44e6c1a8db3731b49035ded2d52a6e0469e98acb479d1f93059cee",
    "signature": "0x5d769177930092afae99659cfec34a7c5438dbf41100bd35f46ad99ad8f096a45c8f7e168c2fa763abed73142dc1d32879dc4efa4bbcd1195348d8982eb588ee1c",
    "signer": "0x251d9fFBc4029d5692B08aDd0a2D4ED2e2e4b94F",
    "userId": "897281977"
  }
}