{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "103945",
    "entityType": "User",
    "nonce": "0x948fa2f5ab9d5b151664832baeb60622130f9e2ef715a1759659d0d80bb8726b",
    "signature": "0x1bce4d54cd33e6ed0467d443a5ceca518ab307a2d3fd8ae15dbcddae1382bf9d22eb012c67ea4c46c353e5547eeafb2dd9f9ac28d233f88937d006b10799c2e51c",
    "signer": "0x9b1a9d02F213F5C768F11FC832194b5cB665E056",
    "userId": "418702748"
  }
}