{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb5e525c5bbe6bd52cf2ea2cceda958df215e48c54c6b30eb7333a1d9082cba76",
    "signature": "0x4e79a8d9e276a95d5a2264fe2782da8db3cf45bfaf8115c747b9c3f7a3bf49b63d1fad55cf628a43f3720ed955772f445e3bf5c494ae53b3a149fc71bd63d46b1c",
    "signer": "0xD3e2a2Aeb739263055A5ec4484257b4927578D03",
    "userId": "117667088"
  }
}