{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "457297384",
    "entityType": "User",
    "nonce": "0x262ed5081924869c8a7b1fc6dc86120a17a6e57c2be8059d89dca3155aec8f88",
    "signature": "0x8257e4ba5f519817356ca11297e6fc35920b4e5e38e56590d7d9eebb57be70e5608170689d2bfa024a30183f726abb9f9ea34f4cb7005568cca175e3393a67d01b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}