{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x4bb52e42433547146b5972e2807adc673feb9664ab8c3b3e2daccc251ca22f52",
    "signature": "0x0be162cb3ca72764835b860b2f552eb7245fa6937b9a42170137d44b5fc4742051258df00ca9604f94194dea3c825fcccbea096dcd71eb5ef69dd9ce639c9c351b",
    "signer": "0x484b6008552259Ac030B89546889ce379b24225c",
    "userId": "584831187"
  }
}