{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0xb9c519522476079a641e44f93f1a395d1a6f02a6d3bfbe040a16b2188d68821f",
    "signature": "0x2ed728771da859d586edee30ea7aca098d5217c70f7603fb9380f9c9485bc59a5836396540cc801a7e63fcd519dd7f574c43562a4929d1df4fa20891368354d61b",
    "signer": "0x3e16afFf69eC32202c1B755Ad919C7aA325B7aBE",
    "userId": "902811065"
  }
}