{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62443",
    "entityType": "User",
    "nonce": "0x48a94cacafcc05349c63bc34ceb7c68beb77fe9f66de94aee6b8500485365884",
    "signature": "0xbf4dcb7e288dbbbd4bd52cfca4e17c19ee292e6be0314ebfe5b3afb639426cb761abe6e9041ee071ff6b54fca7bda66e559762dcd3408b16b502084e991c02471c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}