{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "37222",
    "entityType": "User",
    "nonce": "0x95f255a0b6cc3cb818cde3baaf95c2399f658d4cf097fbaac29581fbd3695c02",
    "signature": "0x438f5708174ed94046e6b4068fd1f0e7bc5d63d4239a4f55e09bdb5fbacc925721391411a97659fc01b6b50e3d254136d660d49c388d5c6e3928ac858980b63b1c",
    "signer": "0x766Ba5816f1Cbcd9649d3b301b8F423CFF252fdb",
    "userId": "758745"
  }
}