{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "132573",
    "entityType": "User",
    "nonce": "0x3a3efea149c994a58798f9c7b5ca6cf1ff4973793b2d2329adc7c21dad950a03",
    "signature": "0xb9ac2bbef53ba7a645ef42b7c39fa001618cca79a37b5e33ac3dcf5a9dea3c10331da4cecce295fd4e96b131ed962705ea1b0b55e4e0f6a112afd3b3188aa6a81c",
    "signer": "0xAcE920C4d885acb68097D36282d4eEfb83d4c126",
    "userId": "986065096"
  }
}