{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0xf62bd9c5320d2aa16cdf96c08841141bae41db2a872367cdc72ec8a2d638fe42",
    "signature": "0xcfb1d786e145ee13915912652aa41b3a5eccda63706b5326c669007a80b2746f5b71dc3605471ce68a4bcd4f4d47815040195211bcdc09cc1461c9bdf0e03b7b1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}