{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38191",
    "entityType": "User",
    "nonce": "0xda9a1ab9208fd05b8290712e9e0260e4a8d7fd2c9c780aadcd7d8c3894297b74",
    "signature": "0x59f6818754cb42584a4b0cba66b1ddd382cf6685b6716d31c774dcb71cbe223621ada21afb45019fc40d6faaf3166dbafce60fb8b3f38f9344b5292747b5a2401c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}