{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "910778788",
    "entityType": "User",
    "nonce": "0x177e1125c02e2f797db85f734660a65f0ef35d86f0f92a0b7dac3b1a48bcaf99",
    "signature": "0xb898c9511f56d0861c8a81dac9ca1e8b085c99508370ced80b2204ee3f379ebb0c8e871b91f061b9aa3f4cbb719e12fdb0b1c95c28422aa8dff14d248612e7a81b",
    "signer": "0xA61Ec758eD62E71769712843066E0D2AF592b23d",
    "userId": "556255982"
  }
}