{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111627",
    "entityType": "User",
    "nonce": "0x7921ed5fbcd3facde35411613b987209fed484dcba9f75464f10c08d7ccf484c",
    "signature": "0x0a6c7804193c4963b442e6221716ad31424dd581d95b602b3128e169d4877a5268bd47c8d8e67ea58b66d64713d1b1df177987704a45d583d63b0fa57fdc59541b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}