{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51345",
    "entityType": "User",
    "nonce": "0x69055662ee9816bc25c0d54d79518fa9261e625bca6ede7bf28eb78be20b6d63",
    "signature": "0x2467d06336cd5ce926019c61c9087ed73fc985c4b419486764229fc77d9860396702c68cd359ad7bb1085884956ffbf433bdf52638a0a973f1cebdfc48ca3a871b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}