{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "733007",
    "entityType": "User",
    "nonce": "0xaf5523176f82aa48656e022f2db1ec736e32cc6e887b99db7fbd9b93b471009c",
    "signature": "0x97a08da47ccf3e662c5db7af2354126d530eb5dcbda626f7c7f3a1e1bf013c2571ab015257fcacd9791d7f111cadfc75f4ae7c6c012dce320b6e273d2824d8b01b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}