{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "406225571",
    "entityType": "User",
    "nonce": "0x14700ecb406bd2d8411b71031ff2a81e53d5348743ac694598f769566ee62494",
    "signature": "0x7fdeaf80535678098796c3d6260ca62553f2953de4a4859157f28cc561339e656a64249ee42e6b50caf2492bf70a8a2decfd9537e3c59cf9167aa349336507c71b",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}