{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6f0b720f9b6315d277b7301fdc92045dad792e65e6be2ff49d8db9d8d565c1dd",
    "signature": "0xd26abf9ef6fafd46e3bdb187c41c529e470a150a3e5c2aa2ba195e59f43341014e9456b42820df17b10d7e6b0b753b2e94a56617a2ca568877dc1bdcd52b12e01b",
    "signer": "0x1aec96de9cb4F2b3f49297164e87635590B1BbdB",
    "userId": "656359487"
  }
}