{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "419264132",
    "entityType": "User",
    "nonce": "0x1a24a7cb0da43405d102da97b4fad99d684fe7781d6a0fb348255fd58fda79d3",
    "signature": "0x55267dba23170a8db878ad9ebcb5354ac24f9ca8732c779324cc7348624a75c96f617e59c3f4e9d4d33b01c7a54038244d722132adab8e80bb5eae0c3b9d516c1c",
    "signer": "0x86d50c36f1880e21e3d45Af3a9446e3001A18AE9",
    "userId": "454632794"
  }
}