{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "895209133",
    "entityType": "User",
    "nonce": "0xccf2b9e85aec6268f5aebd6ea64362133fdbf4d98b70a9834bb406d052c9eb5b",
    "signature": "0xce13571fcc9fe19b5ef8ac76155534159826b258fbd3ebceed9f1ec05bbcdbfb0d2212096ad9a00f5b4b1b9b4e7e70f5408c089e2e3c71b3867fcd35a5cacd291b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}