{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42702",
    "entityType": "User",
    "nonce": "0x4e8394a0498edc3edc02facfc1c3ab29b0818b7ff54ce9113b08ac3a22275513",
    "signature": "0xa6706167582f2cd81d70c055fca5e11aa0deb7f664d5633ed01f9b336526be803e78bfb31f02291a1f3662ca1d8b1676dff6c6444210e081f35a3b7ea20040b31c",
    "signer": "0x766Ba5816f1Cbcd9649d3b301b8F423CFF252fdb",
    "userId": "758745"
  }
}