{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1511297",
    "entityType": "User",
    "nonce": "0xb34ae34b3835f8bbfddd873c92eec633a0024f9c51bab812a4da8b3f9592f71d",
    "signature": "0x8c7516a8166616603c0b6f737a66ef878793d17247b5ac1e27c126d4ee7e1c915802e0320fd9837e50c73ed78bb3074d1960121e3227b6e715467fd70887052a1b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}