{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1aee645586d03557b5a5f095473e2ef49b94da70ac539d69d8b097d1f785f179",
    "signature": "0x5598f0d65a9bf58586a8dd999c0d7f7b3121774ad41f8b78fba0a024abec076b57d372e960eff809a825124d6043901d8ecd93c3bdae890b412be73833424e611c",
    "signer": "0x72EaCE7B4D2E81Db7aF316Dbe484eBeaFd2060eb",
    "userId": "127156257"
  }
}