{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136694",
    "entityType": "User",
    "nonce": "0x5b58b7ccebdbff3c04dabd7e26c582b94143f5d686df01bcdea9a9b599ea7dec",
    "signature": "0xc9ae0e7cd233a1708fd200e939df286a8a0822a3634dd31309b594d50665507047f7ef4c2e10092d95cee263bb235523f0aa0289461866f7094f3f2fd9aaa2da1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}