{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe7e72359c58a4b15ca64e65ec000f7c075aba7a0e91737ee530ebd2cba624906",
    "signature": "0xe1bd7c785d5427c93a9d410ca60495977f93487b589ce9652855c1b1bc265cca2aa97596ddcc22dfcbab564618b3e9ed6e821fb104c0ec005cc86233b1505a1e1c",
    "signer": "0x1561EC4D18290D10491BE57FCF24c6b1eE9EC934",
    "userId": "932866094"
  }
}