{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42065",
    "entityType": "User",
    "nonce": "0xd0b1ce057abb835c89138f558bd3f791954767042c1368c886d171516620f970",
    "signature": "0x9d6e57d5eaa48d39a2d3206b65c55f424f68d78259aada81d667920a9b7eafa218e0c91a295ab8035673cb1340608b4ddaa516cec1ee8e1d2701edb57d68c6691b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}