{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "31290",
    "entityType": "User",
    "nonce": "0xf57b2a7137f20faf003c325ae262cc47eb23458ce5003709df6aee2b6deded1e",
    "signature": "0x9eb1e359f4abc4c96427ba7aa2c9d5446351ee418860dbac884a630bd75b3833770ea93b523b0499865283c7a0c64e860f6bbd35ffc507d49e9bc23931feae511c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}