{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30263",
    "entityType": "User",
    "nonce": "0xab5df36b108fe6aaee8e449571f4ab778e88c29ba4ba2bb2451464215b04a435",
    "signature": "0xd69bcf7e07adb41623ecc174fbb24c00cd3c7fbd825c8cbb3ab9186fbbee703a269a159451d558b7f0b77f228719d81a25888c326c9f2439cc64fc95ba5b303b1c",
    "signer": "0xaaDaEE16C1277E756941765BaFa8aC22C1e6dfb8",
    "userId": "747608505"
  }
}