{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdd51d5f43eb048dfb84a87df8fa1ffd6bf893d678b4851443868f088492e9ba7",
    "signature": "0xe884d8e890237c2bd08fd9b627a1e9f89cf256ea71a8a59277c2e8cc36087cfa421c9eaf795828a2848f41a159bbc7ee90f4cbd635d9167056f074a2060291db1b",
    "signer": "0x39544F27E42b8562e01896e12786D9603f08d22D",
    "userId": "92620005"
  }
}