{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329513359",
    "entityType": "User",
    "nonce": "0x2598a6e311be8f62eb55e2be4541a03db7846018aa634c8adfaa70d6b09a7f65",
    "signature": "0x2c442c512126b436e030f397cc199b219793853c1389a7e140c4dd5f6a0f9e121d9e68c45a0802276d31842b0ca7ae552f0c1c6acbd719e970e9dcd1d55e4a2e1c",
    "signer": "0xDDCce44d487ED1f7297d836241df35AAB6D867b0",
    "userId": "22610281"
  }
}