{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xbb850e49772c2f96c9ce29efa44a3315a9d5bb542353730d7f6edb1a5d88b8a3",
    "signature": "0xb08f163346b43dbe81f2d06b3feb1e0301c7c8cdbab13ee523e3cf7db5b316b405ade3af3fe0f27ad4eedf353c80ff834654b0af3393970ec68254653727b2481c",
    "signer": "0x1b3E9Ea15dF71Ced48bA8E493c9BBBcBFa25823a",
    "userId": "913385866"
  }
}