{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdb4738a3109d168d791f079fef388aa319f8d9df516b79ac2d328da0333b93f8",
    "signature": "0x2a84a2294f9389144e6934e9c0847f59ed4e3aa54d7ca83bb4df4e0355653eab14f6b91a61e77b2aba29e40086c05b4a8ccee0234083a00682c9cff7ab07d59a1b",
    "signer": "0x1Ef490406B99C0Fa1011792b781eA3BF4E28922d",
    "userId": "533049250"
  }
}