{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2c51bfca18b6ed6e0fd2eeeb260299ca83405e1ef753ba4de4a99cd4d39491f7",
    "signature": "0x62b59e07788621a10b1e5620febc71c3925b7cf06bf8b77f2a772b57e87466aa4c10f2436afafa3b10a7fd2020ee88297c32f2103dae549960c997fbb5a911801b",
    "signer": "0x2036074d0204aE70B0844f607D65288673144fdE",
    "userId": "318292421"
  }
}