{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "832487273",
    "entityType": "User",
    "nonce": "0x639027da24e442f29ec7b1e899af9c01e26df40b5301ac10f2fe8739d6635d5d",
    "signature": "0x6d82b8e4eb25a9a803fa9e69e1c0a1acb7ace28c7a8df4effff205eb21068ef470dca3aae807f6600c3085af9a75024a04733503f6c8a13846d138176fa2f5c61b",
    "signer": "0xCedE64dcD8b0FdEDBdADF4b0ba433797eD6301c9",
    "userId": "638733607"
  }
}