{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "788734",
    "entityType": "User",
    "nonce": "0x5b49f4c12cdddb21ff94274924cff39503cb2278d214c33816dfb1a78418ef1e",
    "signature": "0x7271de966f7db1339be0cfd8914cf41fd44aaa8a0d71a3fe777a6ac3abeb5e9c4917a8f9596435f2eb96365b9bc7046cae50b36b8f963393c30b79bc74731f541c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}