{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0xdeccf0f8db936908316e5ebc37e43b30ebb275fbc111285e2106e72a97e83ec3",
    "signature": "0x6148b621a14d19a3f18b5d65759dee987fbe040380b506c18427a5a5dbfcb67c1bf17a3c432e5308c9e9203aa1758836f332439166f364176a91d5e725cb460c1b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}