{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0xe0b6d4de6b5086fcef62d123d0c94526f46a608506837f8fe372b24b4823bd10",
    "signature": "0xb53ea8255da224ab58642cbbfef1a5f093bcd07fbdb12d290d4d4429a198ff5419b7db59eca01d166d1eb5d43b9f07391b047b57615f20af5e3e11eaf9fb908b1b",
    "signer": "0x0AC77876338a1310E24e939DC65C28Ae87A0D298",
    "userId": "415577056"
  }
}