{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x81fa01116130c6f670659da81116d3b74d803785d825933b85658fe88fe039c9",
    "signature": "0x1d9e9f1f94d930cb1ba2592a1d9ee9cad058c01cb04fc57e811183d77d4317056ea67c611f0f0b0e69065994617686940bf65ce360d8ac6ec520e3b93a4ad2c61b",
    "signer": "0x138211692b4e44fa8133FF53Da30AD345820524E",
    "userId": "904871299"
  }
}