{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "181",
    "entityType": "User",
    "nonce": "0xb1135c823204fe3638c3410dbf4d6da7b7202377e0c3019790695f85c52b770b",
    "signature": "0xd5c22ffd247a19635556bdd058eb18ef5303617a14d2177ed1d7a49c3834ac0c3a50c4d6305b8ae2e4ec40694c2f4f1f4932918be20084bedfcee8279ad17d811b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}