{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1931557",
    "entityType": "User",
    "nonce": "0x05bd5a2f503adc5a642f55df3da4ff1b432b35bfa3533200d1da9fa15f39b3fe",
    "signature": "0x66fec752476b89be1d25828d6179eff20a9ba32b9ad53724a039c24be74583d11806687b589ddd684f05b57ac751dfa956d2bc3d410c2c20de85c3360d33c9001c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}