{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "90334",
    "entityType": "User",
    "nonce": "0x0e17dc518dbbff5bffdea46246a5a4d6d3e659090fc78c01371aa6be2697bd0e",
    "signature": "0xa2d3d90cfd46d80a4d0c645059d4a2d4d5157860662a31252be5eac39cb4dfdc670f4a53cab89abefe23bc2c624c4e3f93b47a170330f4a1e9ec081407b09b8d1b",
    "signer": "0x005385507D169DF7Ad14f23b728248Fe5464Bc26",
    "userId": "303866152"
  }
}