{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbcf9c24c62f57390e2d870302d3af48cd61c9963483837a0ea9a5ad96b634ada",
    "signature": "0x868397a6bc3cfb512080d5d75a0b7a7d080803c26c89c8a12b3e122416eb3f73437b5ad12b7e54e157356bd4db2770194de949fed0a78cb27f810bc956d997eb1b",
    "signer": "0xBe9B6f5cb472cCcDCEFf1f823a3Ec32D93CcF9C1",
    "userId": "944117628"
  }
}