{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317439",
    "entityType": "User",
    "nonce": "0xc6c8f1d506dcae7750313fbaa673e7fe0e89e8e69f9982735663629b3ac391e8",
    "signature": "0x7ecd382487b7d2600e2ae4e564757f4c534589bed15b54f7c8543906a7c2848e584407edc7a71ba35a252d6e553c4f3cb1cf0c93c8bab396d12e110b9b3d377b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}