{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76829893",
    "entityType": "User",
    "nonce": "0x8763d325ff66001ec2007353ac51a35bcd71751c3e4314e5f105a5677d1c9edf",
    "signature": "0xd3fd22a3ac1e6bf3888450d6837b7f17bf01803dfc50b6a9075eb7f6bad4b869007af42689bc28e01efdc77d84750448f94ddfe932804f93dc7d20dae3c1a2191b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}