{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "119847",
    "entityType": "User",
    "nonce": "0x0c91e364024a40f2978fa9b8deae52402a8752265a09f4137afef332e09a1f57",
    "signature": "0xfe00ff6c95de68adb57639af02333c246ac454b91c3c0ee84936ffbbfedb11480a15f4f3a65c3bc4426772c822be7e066efafa4465eb17d3f1a531077f2fc6851c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}