{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "211692",
    "entityType": "User",
    "nonce": "0x11d45456e71b8f7c245480946d05e39d64c3b40a790e5ab3d4a54b154c1ff3fe",
    "signature": "0x2577d935342f80cbec5de635900353fafdfa9cccaa03fef86033a04fc7b84ca347a64f3f4d20ac379c4e10e76493688b5274a0ee3760263a2c5e5a97d03b8f061b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}