{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xaac060a7b93acd55a9e801f76c9dfe8b44abb1174bac41c0c93a33d3e5d16ce5",
    "signature": "0xd9400042dda18954264598682c9aa959b29ce5f8b8f1caa771c44e80c98355e31fc51553e27b341b67b480ef6adc5697c5348cd8c1d0c8292576a0338a5145451b",
    "signer": "0x6B2C2099Ab90F98f436b2dAdDCB34B6957C88c8f",
    "userId": "186987993"
  }
}