{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "488430169",
    "entityType": "User",
    "nonce": "0x572eb04bdf7993c6ee1db325e9133a285bac3fafac33d745da8ce7660148b055",
    "signature": "0xaf0dbbc8801926c560da5c1adebd65593b70654e23db16548315df5ec4ddefb177f75444d61e92117f6a5196262b109753a1c539cd9f3a839836c43903f7fc971c",
    "signer": "0x6015AC6ad37b0328C10a529E70348751FE8ffF41",
    "userId": "176201"
  }
}