{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "383641",
    "entityType": "User",
    "nonce": "0x4cd766366deeed39382fbda6dd472381b4f5069ed6af24708687c7acdb7abbfc",
    "signature": "0x3b334286717c8d5d39134360948a1d87fed1f48feec80dbf3ec0e837493985287848da9fae8dd99a52ab82561ee0bf7b31bcb6c04ce52ec981d19f66ce514e101b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}