{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2247",
    "entityType": "User",
    "nonce": "0x429125603c2cb6c98f25de976e7773e4ff42d757f3bcdbd4cc7dd6ee2102d9e8",
    "signature": "0xa93a273eedbe5b0cb792ab8fe46114b52087a80187f4d3f8ce0a1a6d2f3e3f2304aea41a2751763c6e653ad906c9796ac1533ff9523d46063682c98d6fc06dd71b",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}