{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57306",
    "entityType": "User",
    "nonce": "0xe10d9ccd82208ce2e8432b34e85c6e8dc4c6c88490bb8d6d8a4036d3ec213de5",
    "signature": "0xb1c5b0af783d5cfc5d0939558f4912f368a0bf47e0a3eb3f947e150f002f93386d6264ea569096ac19aaa56662f8f48d6cde40b7a0a9e45155642a299cc9123d1b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}