{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "161616",
    "entityType": "User",
    "nonce": "0xe95905d907dfcc3081f9ef03cd7a350d6976498349272d5a32c8040d72539843",
    "signature": "0x3be61927159aa4fc756b67749e90631ea704c04f91a1695db73d3cc721c788af3c41648de5b6676d5e5f00a76ae00a4bd1c237f96e4b28ad9a62dd79a0a6506c1b",
    "signer": "0x367680E9B4EfE77a6636091FA6c2c71749Cf7C60",
    "userId": "40274"
  }
}