{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "22193",
    "entityType": "User",
    "nonce": "0xb5688cdab6c11a8c814a8f514793dd7bb1b6d1ac6d185d681baf39d9d140d563",
    "signature": "0x83ba4684fd69d6c1456619ce2cd731096b56a5facb659c575f5185e47cf5a03415f09b01e16c97fcee31238551652b5874ec6d0c1858ad4961c54be899aed44a1c",
    "signer": "0xC90e14007305577f04e5F4f5542B2191bB2c7394",
    "userId": "1856608"
  }
}