{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "64159186",
    "entityType": "User",
    "nonce": "0x1c08e8c75d45b1308a93ca0d21d6fb8de44bdc14ceb9dee471a3284f4c0b6fc5",
    "signature": "0x0e07d20385a473165caec55939b8d7bbdf61beffa5c0a406e43b5b5c5b388d73689288f4527bd22e35083f6814db1e9dc8a9ba2e28bb52527f71f7fd36cad7311c",
    "signer": "0x6f20258D1188c4f08d27788Ecc9ce87B6af3913e",
    "userId": "469120908"
  }
}