{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "299279",
    "entityType": "User",
    "nonce": "0x0a02106257874dde2bc7213c8adc95f5e6f160d42755617fc6091b20818f7737",
    "signature": "0x65bfbce7837149c31f83fe312ab6dad5df75168fc663799be853acd847f1139661f4a1bc9b704834a4289c8701990cc427fef06a1fab8d57e7e73f66e861c2851c",
    "signer": "0xf7388C7b116a7d3aC8a35e3A5Ee6171b542484d8",
    "userId": "786516058"
  }
}