{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "94317",
    "entityType": "User",
    "nonce": "0x901e5715cca12fdc1d17c0affbe003315727268d98450511d88e00be6f193cfa",
    "signature": "0x7668e8f62b7b4915537a3151cdff2ec6a2a9221cee095da6b64f76cd0ca7879f363281d63739619d0c37ddc52929f234e6a1ec8de6d241cf5b8c8564b05a9c7a1c",
    "signer": "0x8c5473b865B82a2EbAb23745ffe03CA73600768f",
    "userId": "561254107"
  }
}