{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105562689",
    "entityType": "User",
    "nonce": "0xe75dcf4efd1cf834628d465fe28f59f0d87a3d9a9293e65abbe42667f024ccfb",
    "signature": "0x33ee812ced3711ceed054d40ca4331bdc9c7ff202b828d3c59162995646b2e74443ac2509c24ef6e3d9af6927577e62052e6a29205151d318f1f0360ef58f81e1b",
    "signer": "0x134f5c1f8716402474824c6A0AE855af1E3053eB",
    "userId": "462352719"
  }
}