{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "489026160",
    "entityType": "User",
    "nonce": "0xf5f5af9f0e89b05e9a7e6194fe2541e13c9f25505305358686ecfaa9d50f80cb",
    "signature": "0xf06c338e3bf6039e9b49f52d0504190c978491b62b31fee61091ad67a32118e30bdc004287e72dcb7080a9c01dbb25a0e719ec71ddcb3f55831abe8f4f82ad2d1c",
    "signer": "0x94d1769762bc3a1e7DCd3e8a31C89Ff199833Da6",
    "userId": "715573876"
  }
}