{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "165764868",
    "entityType": "User",
    "nonce": "0x64f503be90fe7d16e7c70fea03b08b170aed330e8ac4ee6ae5bff069826dc64f",
    "signature": "0xbc3457aefd4110dec0e35800a511fa33bcfd96863057d41a6ee86134deb1d23a02bd4de8dec1eae43e2b93ff60dad20fa2d788f60bd801484a2f3da99305af641b",
    "signer": "0x985bA1e3B976DAA7155F6B6B168189834E4a15e4",
    "userId": "124122"
  }
}