{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "693997376",
    "entityType": "User",
    "nonce": "0x3bb12e9babebca72742b88c4f8fa42e299a63599ad35b44abe5e76f069fb16a2",
    "signature": "0x11d45a477c677093b804bb4acb9750369a30d7d12c9004a092efcc9d69a09491023c5a518e8bfc0d4d143ab373d9121280e923b856e837f1242fd85b7221f6ed1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}