{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54753",
    "entityType": "User",
    "nonce": "0x96e39291d2069000be1c4b5fa5192cfb440910d6c28203fff6bd65877029f751",
    "signature": "0x611999bd8a661c054259110e3ea0ba72b649dbfd9d5fdb09497a2aad31c3f21f25bb77a81dd386a15435369693d0faff687dfd57a8015739dea18ad42e8613c31c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}