{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1005322",
    "entityType": "User",
    "nonce": "0x694b8d2c35fc01abaa5ea1aee659cca795d3cfa2524b8257a5b5310bc0feb5cb",
    "signature": "0x2f5699cb4354c414d84de287877f636aa1941108c4a5bb30127a34454b6298403972ff382ed0fb1efaf77d81579284926ad2a27ec43e917d3cfbfa3d2f037a1a1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}