{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "187369",
    "entityType": "User",
    "nonce": "0xed9231375e38d143fda4d0b39e8e087b297385a3cd76af1a13ac06f975acb647",
    "signature": "0x76dbbcc953c844f87a77ed5e586ee1c6889bf9d720874b1b3617a0c68fcc51ee4dbd450c60fe3ade71f47c53237a48e0306b3be765899afc04547a0383c8c0281b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}