{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "163180",
    "entityType": "User",
    "nonce": "0x8b34c74c65bbcb8de87ad64ed4a3d10696fb72dbec9c0fc4c3e26e68bd5cc379",
    "signature": "0xebcde58e8204731e33fca397f048da8f76293df60233ded831a509fee1819ca309dfed3daecc27cd5daa7e3def2525e49499e197a926a7d3cc561272e7e938901b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}