{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59528",
    "entityType": "User",
    "nonce": "0xb44fb60bbd13b9ebb1b84b6302c8a4a45d907d82e881c6cde830103db85cc31c",
    "signature": "0x8628801c517b6701af945ddff14c8edcc528cde1f4e567f46a1b4e403841cb4a2d77ab5332c9d5deb229c83a279a894f012e311bae9804e32cf1cfa222b627ff1c",
    "signer": "0x4810fE66B3A42DA4cb34b622aD9A069C293c6b86",
    "userId": "445042807"
  }
}