{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1863",
    "entityType": "User",
    "nonce": "0x30afc81735361a09934c80a9c083729bc025b0578f520bc011c0c03fa24961ab",
    "signature": "0x41553f1628301a6445bbdb82754ff537d2ac0f13237e315c11e68f589b840cd47297ac3969f5c6b3dfde191396f9ce139027cbc8ab22a8e7f9bf4f39ca82d9d71c",
    "signer": "0x0Cb8508DC22f3eC228338F94fB8B4063F7418EDF",
    "userId": "708077815"
  }
}