{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4801",
    "entityType": "User",
    "nonce": "0x5f8a8fc8402f830d211e5140bd8ba90bd546039adbd15f0db09f348587a62872",
    "signature": "0x7d1184243385febfdc00642b48a7af5a0f0822000216fb8c2a848f655d3f7bb57d2eb0885a1df149d24a4bd18bedea1fe91c7eb0d38909c153792b20049df31c1b",
    "signer": "0x3C02Dce6AcDC1527c5bB9829a675a743ECbaD62F",
    "userId": "750137068"
  }
}