{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x9babebfd1dda4895b328b8e8a8c27c811b10fe1ea61d6ddaf31d0709140d85e4",
    "signature": "0x74d1db2e81419cc00904382fe00e8eac47e056034b110baaf1b9e9e56da1b2fd16e98f5092527b34c8def9ff20df9d66572fcc8a363b8e3e42b8984b97c496d71b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}