{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "137120",
    "entityType": "User",
    "nonce": "0xc7598f202bfd4de298329b52d014ea4ddd7b271f61bfa3ce34872c5d9cc58079",
    "signature": "0xfde7a2e63cfb78da51a224a2dcb343aaff1e869c31d030c2a2832ef62f3c645d417f982b264fa0c79e6e5298740ab782e4f129e01b945efc9e9d625265646d031c",
    "signer": "0x6b89eeF406A3D10E08768E85967dB17cf7EaCd03",
    "userId": "125044"
  }
}