{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "15212",
    "entityType": "User",
    "nonce": "0x26771d98254c45d3208e19ed5ded27dc31b74671bb6fbe2be294314a4750fdd3",
    "signature": "0x631d1efac93c02d97d8fb0843c69a9e0fb06adf84a340217f77e10f58a8190a302dd5d9448c8416478a70d662497cd8178c700ca8fe85d26718231ffcffdc12e1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}