{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9271",
    "entityType": "User",
    "nonce": "0xd91848c4b490b88c37b70026bc79d162c42814eea4880a1f2dce0e727a279f53",
    "signature": "0xc70ea191ed4ea9c5f2ee6e335d300efd15bc520331059b21e4da3f798b6a28cd4ca673718cfc7fc46684bb569834ee49a87d13123421a197fa21c1a1484c4d8f1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}