{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1155",
    "entityType": "User",
    "nonce": "0xb20001080a9a3fe982677e3a71a55cd248bd2ab2fa7d7536a55519fcf887fd11",
    "signature": "0x6cfcb9f0949440deab6027447c88c33548bd6b716484753f7af86c7f77a695d023c460ca17e545e3c4964ee4b23cb638e7919e55d1aac950d0c4a44b5f5915801b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}