{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "484365174",
    "entityType": "User",
    "nonce": "0x58a47e6f938f5cae2c7cc349bb5da244e0d0dc0658e6750cc608d8d7e0aead6a",
    "signature": "0xc8ceb3dd65599203cf9f22b1ea55b95866a117e5e5144984ca4c9f6a686b34d31d8904546aa5953557eb55d72c103c7dc32a546e4cf76ed34c43c6b7180670651b",
    "signer": "0x4aAea60f569dCcb07000e6BE00AdcC7F106eF3Df",
    "userId": "353528"
  }
}