{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89625",
    "entityType": "User",
    "nonce": "0x9e17da02e94591f7e1e745ac73ccf11bd01f35d3c3d214d5854134ad5098f471",
    "signature": "0x7eec835464082e9ce3e9f482976f8166371b9756fede9e6102b1b0ab8697ca830975d0dcfd9f01390469ff8f6f1ed93e1bfd5afab5a7aacabc0e47b5939339bc1c",
    "signer": "0xc28F39d473d5C4cacc612630A8798a119D1Bb506",
    "userId": "901788935"
  }
}