{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x53abdbc1f08832963a7208b3d100688f499b95236e82d16dae7d8720e6863862",
    "signature": "0x0b008a09d4a69e4cde401731efba207b06b23fcab1c85dcea7779106ca92f295427e9ace4e276ca8c3b38107f9e587c2d9236a75ce3cf1b89a654c0f59537f9b1b",
    "signer": "0x8C7bee798c0AB93Df67Cd00879d67b02274644CF",
    "userId": "855403"
  }
}