{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "80042",
    "entityType": "User",
    "nonce": "0x66db7abc04fa56a3288ab009dd1c396c8da0b815620545c76d5ddf35a2cbd148",
    "signature": "0xa57a9f1db6478839fb1b5d63edd6511a95a0dcb6baa02c646c804c84c2230a7e082ac1b35d76f0acf3c4c81df7b6878102b03f8e235040394d281ae59d2a947e1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}