{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "72594",
    "entityType": "User",
    "nonce": "0x002e1c7f3120658c445d227f7ef82cf791d6e4e778f7e7f9ae6709af622049b9",
    "signature": "0xa8f96a745bf86707fa73eaee871954538a7fbe3e10b561005d20936838895ca30ce682b7a927c34f93b3faff9e8d5e5bf2bb2615962c17d20763f592ce5cce611b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}