{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "796994781",
    "entityType": "User",
    "nonce": "0xca3ab2eb9352b95f9c534a2eb378d2b3284c655f24b82569b1b0f3d41b57d34c",
    "signature": "0x7327de4fc326b1d5cccfb1d03408dc5b8717f52061daacd47ccd9bff20de87666a4508a7ab57ae8bfd1a24bb437f2497625750b9c7ac6de25043fcfdb5decd8f1c",
    "signer": "0xA9507d2878E25885A7375c257746F5fEeAcb09AB",
    "userId": "89625"
  }
}