{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317620",
    "entityType": "User",
    "nonce": "0x79475bb587ed86a493979b8140bb2e880d6b63c759c68479741285d4dd7da675",
    "signature": "0x0707520e3274bcfa3622e0ff6ded04800e1c32c335a4418b874169c1fbb2b5210c208f66d604516d2c30ae4a5fbc0f3cb50114e98e9328be0530bfb7bb5989b11b",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}