{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "963075181",
    "entityType": "User",
    "nonce": "0x303a2b205f95b9a077ae6b770dba745764302c19eba9399a34fcb9c99a42b5e7",
    "signature": "0x48e31c62a0dd11c60ca19eeb7428a952829c2762372c446a217d8b48a537d6fa11de57361ee2a7cb16e80e6372f4756b584e74057d643efa9172d9daafdcf76c1c",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}