{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51425",
    "entityType": "User",
    "nonce": "0x96d4f46b1f7ff215ec3b4e3e7c89e37d15abc5c76aba23f0921755b8525ff1c6",
    "signature": "0x57b42090afe4b50ee702821ee02d3ead77e572361d4b27c7a967336dadcec5716d71f9bd53dede988a6650ad5f60ab059930d6149eccfbfbf99c551798b530f71c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}