{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3011",
    "entityType": "User",
    "nonce": "0x47b1636d8ee6fe35b9e4fcaa2664c8f63b3e7d63f3075e3d2c99b797faa31c4d",
    "signature": "0xd3b8228d001636da6ae2d431d155aa111c71eea465a4d3cc7ab86a801368138e1bc9dbe2e167908e199b631f07175b9ea788d7bd7e5be5d4bd6ee54c87b35ca31b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}