{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x509474e21265f49f4a5efd6e7e453c0cffbbabd6ba0f7c05dadde317ee82e256",
    "signature": "0x30239c567effb867c3f3d3ac285f15f41df393fe6b9ccfbf4735f48e9e2d72c4345b1af44b363ff2ad86175ec044f7ff3cf2a321c0adc54074efd828e568a39b1c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}