{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6d2d9076556a5ab65c3e941c20e85178989bbed4709b8c82b23a5a1a2f641769",
    "signature": "0xe50c87f794f8d3a732197715f134408b47603d25e9040577fd92c9c17e32a2ad789231e1c6789c9587ac482b4fb9255a32a33d21a7c0847b63ce3c166fcfeed81c",
    "signer": "0x07c5001C11D0c6272dA32CC0Fbe63BE7A5a8a7BE",
    "userId": "117307633"
  }
}