{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "94317",
    "entityType": "User",
    "nonce": "0xa8502f89ccf88c43fd0db7f07886028507fd75fc9ee67bca75d69ddfc77fdd62",
    "signature": "0x9ed9a3784284cc4a5324e133db17dd60e307fa79a9c8d2d299c27d579026eef4299fce57754af155db4e616ddf2063ac8178c4af18c6aea6fb246ebcef78aa651b",
    "signer": "0x405A18E09D8C4100F2412f37001497351EcE9C2c",
    "userId": "21357518"
  }
}