{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35918963",
    "entityType": "User",
    "nonce": "0x15cb50b4fd1b88441a692664ac3319c51af4b91f3bbbf6447d083e210c510743",
    "signature": "0x75e92ca398985a4bd21438a64bc1d0bca9a28419a3285e2708a688a4d716754e2df5dacefc1dc79f9ad05f3b7fb24bedc969acd46522bc5e3d4b91828cb734d81c",
    "signer": "0xF6F9F433Ab5dDe3c96D63C2fFAa64b610599a410",
    "userId": "80682"
  }
}