{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xd5b30774d903736a414d20a93f4b49cd36fccb0b7275e2e06ec927847cc41f1a",
    "signature": "0xb82cd8ad30311dff9e7dd0f81342ccfe9189d627b5c58b44e449bd0e7f046b7330eca836e37af562418483dbff2c6b3a0610979701180b5212eccb48f7da50df1c",
    "signer": "0x16AaF679643e6DBfF56DE3735A744ff5B6856F3B",
    "userId": "513179323"
  }
}