{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "86618",
    "entityType": "User",
    "nonce": "0x5307a34376f82cd8c19b633c87b347af2a39da148ca466e59ca969dbbda6a560",
    "signature": "0x864acd7fe82b2a25d54f7d5abd7da71387b8f130a15d38790c2db41491a9fc980c00f66013f479dfcd26d46f491de996c3f1bc8f7cc0082593287791620df2d31b",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}