{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77528",
    "entityType": "User",
    "nonce": "0x09e8ad701e9b3cf111fe52c22a56d2ff4a3b0432211794c08a705bbbefbeeed1",
    "signature": "0x4371975959df5fca624c9a57cda1e31c186dfeabee9aa54d6bdf9312ef0a79ab5f62354d9632236f2a2657b15ca895293e312db011c20122d551ff7a7c72e74a1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}