{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101669",
    "entityType": "User",
    "nonce": "0x47c2f28262e504e86e70ce927b34512062465bd3d4a4c41e73c1ba72272faa2b",
    "signature": "0x46cd8cf61caa18b7220624a834564293143ac41ac8ffab78f8ac5347ee5c36d03b195d741eec442ab50307f16cfc8dc063c573bda817ff9b04ab19203087e4fb1c",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}