{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "70839",
    "entityType": "User",
    "nonce": "0x9d4d6d71f6a54c784ed128cad47e4ad8eb013a9bbb517f2716455703492fac48",
    "signature": "0x3a17e3886e763abc767b582f6027a316aed9c97a614b41d850b77c59bdad6ea97495a3962e09dadcec82964dff71d4db829207f799b5c27764693748cc70443f1c",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}