{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100382",
    "entityType": "User",
    "nonce": "0xe05fedf1a415e562067789f3bdb6459b19716a28509cc45c8d73a73ab1158979",
    "signature": "0xb919faf45bef7b55a5b4ac3bd862c9b4966ad19d8c1031f75077ca92b4a566315b51a95c1a30fa615d5b330468e7d07e066701badc5da6e5e605b4772f1044991b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}