{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0x59e70d6ea6d4de225609f8dc2654efb4ea91e252393f158626bb45067a9cc200",
    "signature": "0x43e7d5662e2a571fba658ebb6ee3f5f618e0beffa28540d267f11de5ac70c9e821124a277e38270a8a6283c77b3ec3de0ef6ca6bcedbac4953def9d81a9a248d1c",
    "signer": "0x136A4e19270387bc21d7e58a9592D46864B0Ad57",
    "userId": "956002390"
  }
}