{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "185209372",
    "entityType": "User",
    "nonce": "0xc943e7a3ded62bba539c07e4d6adda62516d076397b5f8c0f16b7521e14eb798",
    "signature": "0x6f98d0a016b355339f8c423fca498ee6f608ea73fde57b38c24b7157939c491a3d6adb053d02bb21283253ea78ac90966aa3a5294c8a89c808c8be961ed90ae61c",
    "signer": "0x87FC3581f96D45b347BB39E15f25079950C5Cc27",
    "userId": "339826419"
  }
}