{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "955974066",
    "entityType": "User",
    "nonce": "0x30b3994e467dd63d30f298d266062520f8978addd4110413e798974e91d480be",
    "signature": "0x577852ee94001df1273db154adab0c3de6109ecce6c8b0cc417ae80e8afe6a0f23d14de2a471ad440b021be4c1b8331c9fb3fa9e3c488a13b61277461fa1d1ea1c",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}