{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x75e5e7f45c51b8002d5837358394180f71b765ca1c020bfef1dd64b0b2984bd6",
    "signature": "0x4cf3a6486c06f8ac3752c182dfcd297385787f526768621e97ed3b2bfb4b336565be9818a3cf14fbc21af903d393913553037fac05d9e8c911c180724c8564071b",
    "signer": "0xb001DCb64Bf57b3EcC76C4Fe5AbfE2a8B084D6ba",
    "userId": "641557420"
  }
}