{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "161353174",
    "entityType": "User",
    "nonce": "0x53f63edc3db9e4bd590fb8173661e5c787a780522122ecd35179814d80862455",
    "signature": "0xad49086341493f448cc385ffafd327493b57c688f4837c2da53cee058f96f063774aca3762dcece68fedd579ec848fa1dec9331a964dd09d22fc5813079fe0d71c",
    "signer": "0x934E45BE36e38037811AEb6F8eD448164c45408B",
    "userId": "582278090"
  }
}