{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317",
    "entityType": "User",
    "nonce": "0xb7cb4f6767dbdd7fe53dcd716502eadf3e2c16db07e4aa957f09224d7659952a",
    "signature": "0xff166defa323016758a126ff9e6495f96f467e74d7f1ad6f7e4d53276c70438c4c352e1c79651b8e55a1236b92191f987cde7645f093f6e6c97f04a78c7252cf1c",
    "signer": "0x0157D745aebb0AD9f297C69193065ce6fBB09853",
    "userId": "208486764"
  }
}