{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc6d468eb8c26b1e0a4a0e70ece97b5600df348d94b930080dde840288ecc160e",
    "signature": "0x816ccb492358cdd3605ba0bdd968c950be2adbbb105e9b613cd18263a339c1f565241a7498aacaedce903c0971c283047876804361b13f0944bdb6c5ccf1a8751c",
    "signer": "0xEf792a7Fd5Ffd12D72cB27292EEeEEC2a69d3E22",
    "userId": "156979855"
  }
}