{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "386245473",
    "entityType": "User",
    "nonce": "0x9f4f2dd6ccd2fbf1aa6b4dab63b75c152095ac0fb0b461213238d5a0b3a05ec4",
    "signature": "0x6c9097d99f25a863097d3df354e77689e90fcf639ee1a33a523ac601c9ed4b2a6820cf3979e5cb7ddc2678846ff927003fd2deacb396f825262b96e70c66d6ba1c",
    "signer": "0x4E3828bc809fb5B9deb81fa536cF73Dd5bF4eeB2",
    "userId": "185184169"
  }
}