{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967323686",
    "entityType": "User",
    "nonce": "0x56a765d923cd9fe676956557166835baa224eec767c467a6eba6f6d7c91d37f0",
    "signature": "0xa70b2d0e9e691cc16de3624adb9fc3e57c911ab98d7a38650605349ef6ee7c3c6009f6c71474212aea11c2de13be34e548b5021a88c0199cd862016ec85398e21b",
    "signer": "0x1B7594799b4E189Ff1B3C4fD8289B2e8d82B000b",
    "userId": "66769284"
  }
}