{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "707342168",
    "entityType": "User",
    "nonce": "0xc65291cef185ec489a5389ec4266e3b5cd207690b603ed19f778cdf092ae24a8",
    "signature": "0x7ddd9609aba8b719737d3af67286f9a5acda2238e053f864c8d446945f98d7e7670434f67d152ec1c7cc2e69e3290d1ae44598c72157fe27af3c8332c001b6db1c",
    "signer": "0xa372026fB2EE30b6F81CE820DcE21B455686A702",
    "userId": "344222954"
  }
}