{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xd19a2d910516fc5da8ac8a51ee06cc07947c23e0b2210f8f8881507eb2e92919",
    "signature": "0xf887c9a0be8d0899843c45ad35b31098e3082572e3fdf16ff2e7e075b44e53f34540559747fcaaff50c607c603131cc89d3c163ef40515c674004cca1f0f636d1c",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}