{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "465531556",
    "entityType": "User",
    "nonce": "0xae9ff3ab586d1e5bfee703ebda82dc89a6fda695f37e9474932fafa554a4fde0",
    "signature": "0xa7567f20ed65f0dfd8f3917ef20635437961f8fb41c5c2f60da7b8e7ca5bb3d1440acb97e161d302581487e5916c3b3a6fe1e1fa00573ffb90c3cc6835946e3e1c",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}