{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "951995708",
    "entityType": "User",
    "nonce": "0x082e143c5cf3344fb7392c6573684db7706d43cee7380a1f854c26d80cf5d9aa",
    "signature": "0x8ba00ad80599a7379f5e3d58861e5418282eb08e2be6014395be7fbb68804025013c32af05921e07fc979be4c7fa26adc2a35e9e50ec7d7b04d2b055304aa3191b",
    "signer": "0x2e698b689b12D588efD109685f92f24cc33D1d70",
    "userId": "574670841"
  }
}