{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc042d5dc7748752e4ed2d3a7870a9408687a1c53da5b00af0b9ab32e05518bc5",
    "signature": "0x8432e48f29ce8c56a2ab22ce9314b417e5055868b6debb6dc36d784a6c6662492862f89cf605d0f7063041fd220120555aefc6c4f75abcc6b6e1184a68de6ddd1b",
    "signer": "0x798789f87741cE0Bf4719E479E60410434acdC1b",
    "userId": "47889762"
  }
}