{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x42d8f24358b79e260588b03c117027bfc09607f3ae18ceae75f85f923ab25b83",
    "signature": "0x23a4b3ea7faf695fcfdb5e54902191f81e8c7bb4083d77326a654705f01e4beb2e1a141b5d3cd106e1229f0d765865cdbe01d89fd6e08173fb67e4f66505c2b11c",
    "signer": "0xC96E5E9Acc2127345a2965fe7631AbEB620b6a7B",
    "userId": "165790832"
  }
}