{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xee7c2e64755054d878a7d4059bcd43820f10f3303e9fd5334306d818af532bad",
    "signature": "0xb986d61c36e2d29318467ff9ab28c66be40f78f28c6f84483e1e2cb056dfc8f307a9e5c819d935dc5ac896b4d58ee70318c9b708765f84a07bfa72e7b83db5ed1c",
    "signer": "0x6f8BC7aa66bE0e5B33989DA9327BD1067F2A49Ff",
    "userId": "709098028"
  }
}