{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "177934",
    "entityType": "User",
    "nonce": "0x9111976d95edc2db9a36868688edd6ded2b231cabc50e80b12f1a6b22a247fdd",
    "signature": "0x6dfa47f7e301ee5b51b3ba26c9c8c0b3cbab6be26acadf0764af82d40be610bb4cc2b47567019a8c72b4c7da6f6bcc6fa88e2228e4d645fb4558cbc31a05c9851c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}