{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe27304cec37a710540fd0d95f3cd6e9729eb14a17fa3dbffe0982365909e19ac",
    "signature": "0xef24ac725c68245e980065ca815881674d0fb3ab102d066099abf8c7bcd2045656f1903a98c05f8d17a61d3c665a40ddeb56429072aa3cb1a153ebc001ed0bf11c",
    "signer": "0x0e6Bb8099862687B97505ab00Cdef58401807909",
    "userId": "712968540"
  }
}