{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb74dce8ab7dd980bfcee0dbb32eb631300e46c8252e15ab128ae49c6b310cf8d",
    "signature": "0x845d1a463759288b7a466fe195207661d527e407def440f0167bfd95fd22574b31b5aa21660efbc070b2a629a58078a69ff87930c76f591e1ba6c733700d54a41c",
    "signer": "0xcAAe5a20B6dBC227f02dFC01717aF72008B22d8e",
    "userId": "966244456"
  }
}