{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "186590",
    "entityType": "User",
    "nonce": "0x0886d37a619705470fe1610506bf08b1a142bf2952aa63755e41e86d5b87620a",
    "signature": "0xf5bef49cc6740f23997b272645297dd51d0d1e49ec6ca9fe688e6eca87b8d32300ac761f39ceeedd9de4ce9cd5f9ed524cd9233417be68821caa624ccac491aa1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}