{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55430",
    "entityType": "User",
    "nonce": "0xca7e9657c9ec93812621c4c0b35f5fcada1b1fcaccf9b50f71af1241b9b3566b",
    "signature": "0xe7e8825693aca7242dab3e55ec7bba6d3ec72e92b6ee8f44e0a92b95e63d03593813b483c384a9e80f01d67316de5f20eaab045af06b945c8fc2c282ae17e9c91b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}