{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56544",
    "entityType": "User",
    "nonce": "0x4c0cf86d97d963f33f4c2082345898ef37e30577e87f1eb326260287c2223e75",
    "signature": "0x363f5e980dee084d0c7975812e17847d9c546fe099fa151db9b1b663433626ea4b56516e4de3b99b23e3d10d986c9753328ca68629bab6a96440ece7149ed09e1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}