{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "596750044",
    "entityType": "User",
    "nonce": "0x61da55a71050a9cba49f7f6a614aefdd8bc5711527d1942a5611b39f5c82a508",
    "signature": "0xda8e58f8fda9e0ebcb614249507afa9a858401ee7a4130d3344d6e80c7a0159d49b432a546e61a1f49105ff2052713b8fba878dca494a96a4a0d3e2897a5d7c71b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}