{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x20ebc5901dc7f0e70cd235a352534b4a4e197f21c312630ada76a02baa3cd33a",
    "signature": "0xf94a3c5f96153bb9853e22a8cfc3110d4daa1fda0a17a41ebcd29c7c347487d8570ff17158180575dfc81a02ae87f1b8119c6651896a45e4f810029f8f64b2a81c",
    "signer": "0xf8B02289D2776b4B0D5Cc87415be8F09D2212Bbb",
    "userId": "804650248"
  }
}