{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954131483",
    "entityType": "User",
    "nonce": "0x6dd670302bce8b17bec30ebaeacdc07f70710bce59524a916841df17f0343637",
    "signature": "0x9290abc87d753fa14398ff2fdc1104cc013fa21deb95d482dcdbef67499092f27eb6dcce300bd316b7b649dfc717bad98902f7ad0f6b97829ead8ddcf084e4c41b",
    "signer": "0x7cb443E1D882339Ce2Db89944ef44929E8E2F578",
    "userId": "343301"
  }
}