{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175733",
    "entityType": "User",
    "nonce": "0x93286cd51200fb2aea5d7de581755ca4537ea6eb49f19a00eb56c88e2bd3ca97",
    "signature": "0xef3508b1beb8a8877fd0a9b234e93b0b291cae5892cc26b23f292c5879c46fca2e5532128e972bb7d15bfe80dff84af3f372df0d20682dc0f8db7331d1c579d41c",
    "signer": "0x7604Fc1Df216CC6E330cCbC9802aFa3E13F8EBE9",
    "userId": "830022953"
  }
}