{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1036471",
    "entityType": "User",
    "nonce": "0x3d18073c5a6536d85dd6ea1aeaae780c9fb683f2262b5648103f719a4956670d",
    "signature": "0x6ab9ad084850666bd72471642dc8d18a166729d58cd9495f1ce15fcadc5cc32058a1cfa5b482c9634eef73b1ff4cf91b6a06cbd294935108d95bd9b1fae672f51c",
    "signer": "0x852FDa0c130c951EDaE841AE4bc41ec03BB55D5D",
    "userId": "709857362"
  }
}