{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0x8d48b33bfb6ee0c539b8b3ca88d987a1e5d8740427299fd6c32965823205b3bb",
    "signature": "0xdf92c25a7ab76e522f156ff6440415c09b4d699ac5580914a847ba305730a05337709947e44c3fcfb57da55724a832d15b6c4f4a7d662524bfafb5fc181d037d1b",
    "signer": "0x190b45da1e3F48ad1551D8a1D4A02e17d847674f",
    "userId": "384443009"
  }
}