{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "680645058",
    "entityType": "User",
    "nonce": "0xaafc643e5b9784221e7916bd91fb59b09304458eff0b9f4dd86b7010c87a9ce3",
    "signature": "0xb6e4d455b05d38158e9c7f5059071abc31a385c8434d5bf57de1cb627ebd86cc0759bc2c156c7decddc817ad027ac2280fdbf85cecf58b445df02fc899accfcc1b",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}