{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "236288",
    "entityType": "User",
    "nonce": "0x1d5594d64e0b409bde58a4eaa69ffe52ff06fa44dcf147ba0d09e33095c7e537",
    "signature": "0x9b703792f22a5f88bde4d29d7c5048ad13d10bccfb00d3d5d2f880ed14cb7b566d4a1f201714c9fecb8d35603fa99a1d85c1ed76f08d9191f48c4720977dd92e1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}