{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7533",
    "entityType": "User",
    "nonce": "0x90350dea0d8a9400679b23b9b9a78b30d04cca0844830b5d6c0903d9d716a2b0",
    "signature": "0x0a2bdfa5be9b983a145379048299e5e821aa876202839e928e0fe89e2572699b4b384f6880f8a20af3dfd947daec589ad2356e01c12e9632f63978c23f9b01dc1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}