{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "241235208",
    "entityType": "User",
    "nonce": "0xd3d12e5145955d6f134001ee51948dae760384082ee60087c958012e87977594",
    "signature": "0xf5b6b57e28ee72cf6d8ba8f53c32aee537c6646b84f5395c415d4b7a89b9a07d5ce9621cadaf494e2f96365ee8e61b6db47d13aba82b5393ba71bf5657ea1fea1b",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}