{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "194",
    "entityType": "User",
    "nonce": "0x31c55def29ad0b7a1b37142dcb99d15ff7033abfc7202fcbc0d4d8f19d8ae7ee",
    "signature": "0x98a752f40363fe2a40eea6d31729e9affb25997f0c06a0ee70c3820611e4d87503a359778081799ccb1b93b8d34edc0b212258569d3470e56ba743d99c2d67531b",
    "signer": "0xD6af0C8ACa4F65cbFa489185784cc401F1218666",
    "userId": "529296046"
  }
}