{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3314",
    "entityType": "User",
    "nonce": "0x42b5c9f8ddc5a9ad1af83693402393d794f4cf07b4850d69a65dff0fb3096991",
    "signature": "0xc608340915f66a74170989ec14f2a805aea6d8a05c5c19f4c00dd67fd2b99ab9530295d1d5cfcb1479eda6df7d512c86b3c51bc1df2b594ddcfdc6d1a3c8b1231c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}