{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78148",
    "entityType": "User",
    "nonce": "0xf1a9ae659db37b2b46cc2132896281a029aa31e3f88586a8cf8ad3b67eee6f97",
    "signature": "0x89b00de6ef3c15898b930283ccdcf3dbf209ba7eca3b6715f792d0eb1a91b3fd665c4013c117b4edb87d840bfc8141c465d903ffd3118de58d4d6ba7ea71ccab1c",
    "signer": "0x18356cfD8fCEF0CfA9c1317D9538cf9f94734021",
    "userId": "855397745"
  }
}