{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0xb88a0f32aefd7d9d24f5a609a7bce0f6870d04c1c2c1f3fafae60b266fbdeefa",
    "signature": "0x877811c5ef02adc27ce8a17e87538459b037e9477ba396e567e75ac62caeff26475f5105381e06758ed450d055715611129540f9fd06e0f1f3a233b2e30da4261c",
    "signer": "0x9a5ed0b3F555Cb77D9B73d00AF43BaA4F88b1487",
    "userId": "736503935"
  }
}