{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x407cec312ea373f5ea158dba1721d4eecd76a8d247acc3ac7f994618c2091b3a",
    "signature": "0x79a371fd2d07f30c9998872b3f4227071b9dbbdc86dab21fadfdd446cf9432e5395172272ee6d4a657bd82e68aebee619c03d5826427c4f5520f3e9984556e821c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}