{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "308129",
    "entityType": "User",
    "nonce": "0x1ada6daedcc8d8c6062c4865d4ac1a6273bb23e025f1b8942365c0a9bbfdc4fe",
    "signature": "0xa6fff753f2381cc798911fc7f80f348750c220a49364e8905ec12a5d4fc74d7e356f08ce15921034785628bac5558068fb375a9bf196f7d4a3dcda83c0bbba901b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}