{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108641",
    "entityType": "User",
    "nonce": "0x717728befa44e84f6e70b3e48d66a370cb425b0a4a502caaf34359ec574ed96f",
    "signature": "0xbebd5683b6d5fea9bc806af70fd2d0241c2bcb35d0c80837cccb4b15cd654b7f73a713711f0cc9d2e8a17e3a44875247f2714bdcdd05674c0e107bd247d9a5c11b",
    "signer": "0x80005E1c5cb88Fd03a994eC8a06eFD4c801102D7",
    "userId": "225974748"
  }
}