{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "301465",
    "entityType": "User",
    "nonce": "0xf6c8ad029b48c7fff542a96459e7858780ace004895f327578ff3f863820e588",
    "signature": "0xd0150ba51f07f809c485434850f53f45f574893161cf21a6eefc61338204724d2fcb3cf4ccbd98d57112ba705402db668e173996ccc7fb7128b45058715aa0eb1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}