{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367013043",
    "entityType": "User",
    "nonce": "0xef8a3cfadf2e9bb39473538f6c219e2c2a4416f951d5bd3586953fab8a869534",
    "signature": "0x40b15066c889cdb0136eef3370bed72826652d7413cce31b269978fc532e237e208eaa0bf4e102db3e150495d7b2a6f0d1f669534be2789cc2bae7ee6fc17fdb1b",
    "signer": "0x7662cb86A5Ab2f46DF58d87368873d0f07FbC1Ca",
    "userId": "875856435"
  }
}