{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9416",
    "entityType": "User",
    "nonce": "0xfd53f66847ba38adb0143616b75a6ff7ea156e2d778fab1b0574b281a5b69a8d",
    "signature": "0x7741a72e28ca9ec80d401276d508b1528831f8784de3cd080d31b4d2db6af5c94c3c482ff9715eb5de51c7f6913674053ebbf1e0a6de09d6e2b75f5da15420b51b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}