{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "113270",
    "entityType": "User",
    "nonce": "0x73743d7b3ad188a7febaaa7857d64d328e09953a49f74d221f6db6941241e24c",
    "signature": "0x047882dac4ea09b48f6d75fcfe9443ecbdd7b9c44b90ed82aa1e183455a90f537e2b623397a4a2da60161ce598d0edd9aff8ee7580c51a6b7dacdc397f202bb41c",
    "signer": "0xC965eCf215DC75172bD11e8E1dbE76EDd838886e",
    "userId": "260849"
  }
}