{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf2c040a5e8132d11e56bde31d1daf27510cad5e1ddcb010d1f54c7cbbfc396cd",
    "signature": "0x243a2711a71560d2c85fec4105df819741964c19d27aa7457dad5ec7e7ccf6674ab67549ab19b893fe1daefcd7a62587c36151fa013a5979b4552e3904ff3a471c",
    "signer": "0xAA06176Af11B62E4fE464f247854e383BEbf84ac",
    "userId": "749362247"
  }
}