{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0xfe945273c8a91f8c9344986a0562e3824c3e049c403649aba472cb0ac0ac931c",
    "signature": "0xd56fbaa303908ca2d2cb9a59681fdced668e2a6b0599f69e5f5ced56edfd71e37089730d5ccb138886256aaa7fb55ed3918b4245b675e2401c943b7da39232d11b",
    "signer": "0xa4A8a4853051b18e0f0f777693Ce34CF4bCe9385",
    "userId": "634886384"
  }
}