{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57347",
    "entityType": "User",
    "nonce": "0x52060809195f0bbd53187278ec86a9951737ceae5d4c736b914be65c3c6999e7",
    "signature": "0x503bbd2b7bdfac825e4d222477fb8aab55bff8024430de9b591f20dde0a91af51e117578a6f107c13eada36d52f6616ba09b7751c724cac03ea8f196e0b95e001b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}