{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xce7daaec2188152a36382d82b7c315cd25bf355bddc73d3a1cda0c029ce3e391",
    "signature": "0xce2a3589f6196f300a2dd24debcdb74b7c6b4456304b5821993ce0d1387a7cda0ac4ec5651687fd7da1b7580631028b8b5763cd6aa2612bc9480a0e8e0355a131b",
    "signer": "0x89715A6F0c23C84cE71166083899D25bE26BfBC1",
    "userId": "952196459"
  }
}