{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x310936bb797055e6978a4f877b122bb7c1865fe3c4ee7b44e53d00f6e7cc25ce",
    "signature": "0xd49f1f849ce07a7fe3042530b045d3640625bfeb27d68d4bb7f22c0445b915f5502322f81a961a3f0fa599a60005b97eb29e8def5a9825211f73e2cc6deaaeca1b",
    "signer": "0xc23B5e8f2Ecf23Cb3a24a8BbBC3B82C4146eBE91",
    "userId": "273018072"
  }
}