{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "16341",
    "entityType": "User",
    "nonce": "0x47cf3a8af0088ec55e6e5b4efaf7df1805e4e59f388c33f9766d8846d1be0463",
    "signature": "0x130c25145e6407290303378ccc5b1e8f5d69c75d372597f2f9419de1d29390e5094f1c3220751becb781898841f59aa201205ddbc8e7fa1ea92ef241d21424f81c",
    "signer": "0xF83f8804040D884fCBAcD57d4Dbeaa764176F931",
    "userId": "455502808"
  }
}