{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xca892689bdb92a6f38eaf1cad734c4a9eb9b8fa032630694dd167e20097ea0e8",
    "signature": "0x49f942134eeff75590a7ef695f976a2ab3f5f2e7f7df1d30c7d401520fd3a43910bdf6f64232e79daa8584a0734eaf5a26f09af6b3719079537372340c6b851c1b",
    "signer": "0xaAFD204E8Dc5e32c2d2E46C3e546Eb70c490d0c8",
    "userId": "803225395"
  }
}