{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "370091516",
    "entityType": "User",
    "nonce": "0x6376bfe4480e8463af1c658998c0a52b0a5d1dd2b5ee76a65a170f2f6478bfea",
    "signature": "0x554290c89d5213f863bdf6f497deabb6556058327cfd32e6cd5282ea19c36e7a33954a54943f57d1bde97d9f08659ef2c180d7cbfb1aa431ef7bb134fd6b48f61b",
    "signer": "0x6015AC6ad37b0328C10a529E70348751FE8ffF41",
    "userId": "176201"
  }
}