{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "85784",
    "entityType": "User",
    "nonce": "0x3303744210b8c869e9b704ee885512f56dd532816bce22b71c5ebf7937526b1b",
    "signature": "0x5e33835ad5771a6fc746c7e0c85ae4f624e5ae5d8372ea85f07f98ef2a1549853e6d9b21d0de6a6e536318a4f84d586d89b63cdf5ba79dde63d874cede1b9e901b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}