{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "270209897",
    "entityType": "User",
    "nonce": "0xe26cd9e3ea89d617c1e4ec469fe3b8191cd38bf30e089032332e1f5e89eab1ac",
    "signature": "0x4ea571a14b615c665ab025a00c32bb5b0f15fa282f42f0e3e51b50016107a29322fcf0753fc4adc7b19b716fc2622cf75e88ee90f48f69c34f1eec01b2f9346c1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}