{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76709",
    "entityType": "User",
    "nonce": "0xbe6bb7ead60c341b2281d85cd8b5bf3b91641b137560b37b2d316c0185abce72",
    "signature": "0x30cc74be9342b2b27d33f5d855cbcaf173a53d435db89d0ce4f0e0c4a28b4f5d051715fc07cf5e06754bad1f39b43348aaf53584bd59e194d7939cddfd0733d61c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}