{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "37350",
    "entityType": "User",
    "nonce": "0x9e3fc072f5788e9f263213bcfea462e010be222096a3edc7f4b5af33c93a2d66",
    "signature": "0xf3a85ce802cb32f1183e8d40debab96a0b796da4537c59e8563661ead5760cff5263862194000c5578d47ed76d429e288f0905326766d627f57e578bdf22f5ce1b",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}