{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "288548772",
    "entityType": "User",
    "nonce": "0x86037f9867bce24bf99a5b871fd8d050a46622f72313bde3bf63fba5250098b8",
    "signature": "0x630c96b2b72ecba827a28e3df4cd7c6c9e71d798fc87d40ee7a0171111244be84a434e69aa0f867b6848604e8341ea89debf1fcaeb95c3d0ed923a1ebbeba4881b",
    "signer": "0xAfE04b3A47505816aD72A3036422AC553C1dFEc3",
    "userId": "515307498"
  }
}