{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25315",
    "entityType": "User",
    "nonce": "0x6a39e4036e650a98781f65f93c06cf7b5bafa4d7578d6680dd82a640b3cc97e8",
    "signature": "0x8c5e6614b63e0ec6c2542d8b76ae0de7980bb7e54312ce210773463685efacfb69d984efa9bd4c07d0a5528359f6fde5dbe7cc316f74e5954d3e7a2609c586491b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}