{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54078",
    "entityType": "User",
    "nonce": "0xbac8a8d0c1be36a5bd8b49ac334f2b71cbc5ae9f776eddcec88a89293dd6ed65",
    "signature": "0x02960faa6d4758c6fc332094e8368a75f354aa796cbb492f8661f53fded37e4524a1ef38803981e157b756f9e8bdc499c93878559173a42480f7990cd01641331c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}