{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9427",
    "entityType": "User",
    "nonce": "0x8df2901d20e07c6546728968f15614bb1e6daf407f1ecd0962c8a2b730c66c6f",
    "signature": "0x9291ddae031db2b6177fabc1e5f7dce21b242b98c0392c248edcff50da4c2c057f4c62e9accaeb2372dc299ddd515dc8d0d8fa03d33c39a5c237dd4c1361415c1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}