{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27390",
    "entityType": "User",
    "nonce": "0x8203d09a6957ece1efd3157452714064dd1e4ce48615d3583cc88ccc92080a2c",
    "signature": "0x511a6661c53b9eef3809dd21bb85c9ad47f5e81f9cb6ed59732be33cc81226dc1dcc1a13b5ad929c0b8c2679c89d70c50a91f908c06180953263d588126117f01b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}