{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x47b8da7f99372632a1ccaaaa428355e8eb36541c87c9606ff0ef40229f27d12d",
    "signature": "0x7b46b68a30b1308577ae8ab52b6038a8af6247887ed76824b3ec5eb3fb4c688c1e2cf98eaf0e94602fbcb0ab640f07ceb3180bd74385a82b198a10dbf46473461b",
    "signer": "0x7101d3D7F09Ca73A23b495313a1055968bcb94Ce",
    "userId": "347769544"
  }
}