{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "90731",
    "entityType": "User",
    "nonce": "0x65636ad7a40e33427f273d8112336810dd501050c9dd622da71f08db0f98c6eb",
    "signature": "0x3795d4ad45d5b582d24250a4500a0f4cbfc3c2d6b6d3dbc577515e52f73cd04c6c552ea58909a6310c7bdcfd47eecf9856861cc6bc40c5efc0e906e6edd48c4c1c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}