{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x1bef68219004aada96a1ac659513c490f1a8a9bb47097e31700f1f38b024b865",
    "signature": "0x30c888a3f1cade1d0fa50cb55f7e01a0e199543f0e50fc7ed2ff07441528ee0a435cd11670c39d04359ba477cfc5a28628f545d1b02be99b14531ef1a32f10c01c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}