{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "342017819",
    "entityType": "User",
    "nonce": "0xa36585cff6a325780fc5f3022342ea69c1ecea2bab23cf61826231d9f478b735",
    "signature": "0x6289b8e5acb26aae2a5dda0834c161d547d1b1bd1e978fd818a443312f7a9ab06382182e7e574f77e672d6b6a7563b50f3c440c76bde6a08f483e5bf320c873a1c",
    "signer": "0x8d9D00A94c3B1C9992e3CA4386AbBC6345B2E876",
    "userId": "396658415"
  }
}