{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "868248368",
    "entityType": "User",
    "nonce": "0x75a6721c57bec121f3ce1af61eae769f35a68a56251334564aada2fcdfd27603",
    "signature": "0x49e44f5f4592700fd67dea94122ef0fba1af1e754896cf2899a3124735aa78e4150882d77337cb180c29b688d84b3beeba91064d21af89baf51298b0b473b6051c",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}