{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "806",
    "entityType": "User",
    "nonce": "0xed3b657e15b1998434983790fa815fdfbc4186f017ffd601dfec8c4fa7eed79d",
    "signature": "0x665251cc0f40c60934cbec6d2c9caa97e7a2fe288063e8081b2f6cfd62e252b246698e9720e5a0f8935a91904e5e8cd0d645e9fc61ce3f626ac3d6d6e9ed937b1b",
    "signer": "0xd708949D0521A856Ca6eB44B4112bAEE59741ADD",
    "userId": "490478463"
  }
}