{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "597677270",
    "entityType": "User",
    "nonce": "0xbb674045c5ce734a74b38c02f0fb7003826a7f28982b6e4bc9bc41263b3bb291",
    "signature": "0xbbf55d7e2b073f293ba7bf50470108ae1de7be83f41fe1fa7c10647cbc784e0a646233e88ab88c79a90eeb76998d3b30c366f043b16005b84e49efd024adcc9c1c",
    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
  }
}