{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "75331",
    "entityType": "User",
    "nonce": "0xc22d4b5c815cc7bf6cd7f519fd6a86af185787a4ee6f8786905bfdc73dc0a8b9",
    "signature": "0x17648edb166219cc8bf1236f204b75034c0c0d93d706369b5b444a450acf9e9c1c8f16b96c3908115785b6832326897ebe443d76e0f9d360a7c33125b3ab30141b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}