{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6223972",
    "entityType": "User",
    "nonce": "0xefdcb41b965a1db2536e3f7f4a220ff22992ac1347813e96f4ef130fb3bc2ebb",
    "signature": "0x3f0a48a93e1e039a23da603326dc9e73a3bd2adbfd118e82e915aa8301df042d6d6e7e827773d02359ae8581e64c551f54e3df9dcfb67f8aa2a3aa49834ae0911c",
    "signer": "0x102a924C1c076Dcb5816d20E32Dcb6F00e75F2C9",
    "userId": "485987672"
  }
}