{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62781",
    "entityType": "User",
    "nonce": "0xbe224643caddfd3573797e3e218172ba5bd70de0a49d94dffba6aa2933fa9f2d",
    "signature": "0x41652487ec81a9abe01ab4b6c1a830d8ecadeedff70339129950d421d8b427ca4af4bb18ee7fb7d5dca90b7492a74b8e028b855d9c366afcca2c0135fa5c8f571c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}