{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "353372364",
    "entityType": "User",
    "nonce": "0xd8486c757d15ab9cc3a8d44e55eb344564327f70882ffa7fc7f68dd9b6297cb2",
    "signature": "0xfea812f73aa20b70cf7d2735fbcfcc2482799c59912899005f1ae010c901f4fb613bfb5e81b18103d0604a98876b29a6d2727f4ab524f1f812f71ca2a61cd64f1b",
    "signer": "0xf955397B294667924e7Bb7F0242060CE42339111",
    "userId": "142071420"
  }
}