{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "158343",
    "entityType": "User",
    "nonce": "0x74171cada189cc783dcb26b3a3aa4288026671d90c4e881772fff14cd880dd74",
    "signature": "0xb416cbb9b8ca34f46eee055b0c55ef7300fe18936a44f427ac933d4406e9fec17039ddd9058db6a8ebb362f340db501353aaf141a4cdc5a523b6bd9dd870b3901b",
    "signer": "0x0D330c840B32bb28cEd3a8a3BB0a38F51377E84a",
    "userId": "868799617"
  }
}