{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "730956171",
    "entityType": "User",
    "nonce": "0x57d1aecabe274fd86efcbee148135045f26fa74ae3f4198b2e353c9dca1ca1fb",
    "signature": "0x0f7adc92e956588b121cfa24354f9c2608c276292ee5d6fc666eee7d5b9a5833026a000c347b398a0aa78ad17cbcac19ccf3342f3d9068bea0fa0a2a4d32a12d1c",
    "signer": "0xAd33018d1AA234072Eed7f991F9891f3688158d3",
    "userId": "413212044"
  }
}