{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "19702",
    "entityType": "User",
    "nonce": "0xc77e6d174adf6915410eae18b8194c4c4e922b857d71803af82dace6524125c7",
    "signature": "0x8abeeb8303fe084c2690c326d2ac5c5cd9a5290b55d170c60d2c694d56f7c9327c1bf98a2f1133d05b2faa0999c44db748c25c8b04970d7cfe6fe2849017bbcd1c",
    "signer": "0xca7c61d7Db568b81B8A952B917F45dd863B736F1",
    "userId": "144109"
  }
}