{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105826",
    "entityType": "User",
    "nonce": "0xe8ef0e92929cabb22cb206ebddf2411eab1966b756a3cf37b78948c304c74378",
    "signature": "0xe248677603ec3b2c8dba7545f3a7526f8f33dd909ebe4cac3f77c3dd609edaa35f79abe7f198dc5937db5f298cf0495050d24a226ddb130c649e833d1c3ad62a1c",
    "signer": "0x21370B7a703524cC2941323C2c960224021F8D56",
    "userId": "986168993"
  }
}