{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39692",
    "entityType": "User",
    "nonce": "0xffb1758de48ebded29cb052c529a5cbcbb68b266f6da92fb9420f8356409e9a8",
    "signature": "0xe1b41a7d337f2a51eec64b2e3ba4ea4b6efb1d6631321b40896e6c3f5537045173bf53fbbc8ea4813090c050927ffb04e6c30d549f15b94d78f53ac1ed2b6bea1b",
    "signer": "0x1B7594799b4E189Ff1B3C4fD8289B2e8d82B000b",
    "userId": "66769284"
  }
}