{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x069f2a20e9a1d865e36f984c6d0a6f67f32f5909b766059f833a1ce8550774a4",
    "signature": "0x6bd8b3d51abfaa1f676b43e89b5746fea8878fc9505a64e5df6c23fc649b6f28271891c39df49bab29ad44ac2273808daed72f69c19ecec6dc131c801eb227fa1c",
    "signer": "0x64F598C81c0625EA190d421bEe9C604A9EaD5ea6",
    "userId": "462839245"
  }
}