{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6c5c284f4454355a643a8141e70c296356eaaeea1f65fc678c84d84f22665b87",
    "signature": "0x51bdca1655254d4804e215edf38d917d7e98ce1ad0248ffb5c993469f1c414986c2cc603c188e621db7b3d4493188644c0fbd355edc1b779bcd30bd274d973b51b",
    "signer": "0xf0e815656a790BAe568Ef922C10f7C49dE48bfeE",
    "userId": "460330394"
  }
}