{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "873014119",
    "entityType": "User",
    "nonce": "0x2b80a92985eace6cf0e0a2f101301d109c3e650b1c7ed8a56f98b80bb0fc9ec2",
    "signature": "0xae08a49881c805a35a46c95ce7228d4400ddc817b3b897e824ef84960eb013243cdcae154a04e7ab76c8e42ec976de4539a893566b82e984f2e921bb788eb7241b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}