{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xa671d2a5c8f70bc6951be98c1b3a72d9904fe3ff37bf3d56e3be7527c04f2327",
    "signature": "0x84d994ad2d3bcbb0a8849390e0ceb95235dd6282e91d482da13a52d11adad48c3cdaa50b6bfe302b4d17229644fb96215a24205348c2c6bd75af2aa3f784c5441c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}