{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27529",
    "entityType": "User",
    "nonce": "0xf57753e7a6e6309b885956303bbf308cc2b05a2a954ceb0dbcfa2e97e64a6a32",
    "signature": "0x2defcda5f4d9e087954e94cc846c7ab5eee53d1e76895a2b8219e969e54174b5243187949a3fedb748dad7648fdde8e3784aa79c17c7bfe14aff27bca7e55b321b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}