{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "129358",
    "entityType": "User",
    "nonce": "0x9f6ab8b5fb6b49bff7c7abefc59f7b90f67f2477ee1315b062cb0dba7aa050e5",
    "signature": "0xaa1b707f684a8698f5439f18e5621dc880d7b4ae739a6404908166a05dd3ea9c61fe91b378488f3134420b6c6450aed55312c6eca936e5fcec495dfbb013b0341c",
    "signer": "0x6528Ae7e5ba3a623493De01f7b85b6128Cd31Cb3",
    "userId": "767848396"
  }
}