{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61679",
    "entityType": "User",
    "nonce": "0xd55b3137906dcb88eafd5600b237b5ddd43845c1fa42152274f2b08ee18b8d41",
    "signature": "0xe2e6a6e802e1107f0cc6ed0d0364442d25b03b87f554a57df105761d241fee1f2c3831499cde2f32414a0defa61b65db054875c0c4ab1ddb5c986047facd8d2f1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}