{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67180",
    "entityType": "User",
    "nonce": "0x971a00ff2e479d9d89f5befa56e88d3812d8ebd1c2e22e5c04871b74105106fa",
    "signature": "0x24fcd6171f36833b2d6f788fb614d20fd807c5151dae9009af055279701e49396a87168ebe3baeda215f295b1db068c5844934402a181c473fd8fb38532f8d081b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}